DERFOE HI-TEMP RTV SILICONE GASKET MAKER TOP-1is a neutral, fast-curing ,flame retardant ,easy to tear ,sensor-safe,low-odor and non-corrosive compound.The gasket will not shrink or crack, resists oil and petroleum products, resists weathering. lt is sensor safe, which has good temperature from -60 ℃ to 320 ℃ intermittent and is suitable for many automotive applications.